Home / 30,117,780,189.40-45,176,670,284.10-26,811,792,016.60

Finding the Fourth Proportional to 30,117,780,189.40, 45,176,670,284.10 and 26,811,792,016.60

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Solution

The fourth proportional to 30,117,780,189.40, 45,176,670,284.10 and 26,811,792,016.60 is: 40,217,688,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117,780,189.40 : 45,176,670,284.10 = 26,811,792,016.60 : x
  2. Step 2: Convert to fraction form
    30,117,780,189.40/45,176,670,284.10 = 26,811,792,016.60/x
  3. Step 3: Cross multiply
    30,117,780,189.40x = 45,176,670,284.10 × 26,811,792,016.60
  4. Step 4: Simplify right side
    30,117,780,189.40x = 1,211,267,487,659,802,755,072
  5. Step 5: Solve for x
    x = 1,211,267,487,659,802,755,072/30,117,780,189.40
  6. Step 6: Final answer
    x = 40,217,688,024.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.